Home / 19,614.70-29,422.05-4,823.90

Finding the Fourth Proportional to 19,614.70, 29,422.05 and 4,823.90

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Solution

The fourth proportional to 19,614.70, 29,422.05 and 4,823.90 is: 7,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.70 : 29,422.05 = 4,823.90 : x
  2. Step 2: Convert to fraction form
    19,614.70/29,422.05 = 4,823.90/x
  3. Step 3: Cross multiply
    19,614.70x = 29,422.05 × 4,823.90
  4. Step 4: Simplify right side
    19,614.70x = 141,928,879.88
  5. Step 5: Solve for x
    x = 141,928,879.88/19,614.70
  6. Step 6: Final answer
    x = 7,235.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.